ent_npc.c

   1 #include "vg/vg_mem.h"
   2 #include "ent_npc.h"
   3 #include "shaders/model_character_view.h"
   4 #include "input.h"
   5 #include "player.h"
   6 #include "gui.h"
   7
   8 struct npc npc_gumpa, npc_slowmo, npc_volc_flight;
   9 static struct skeleton_anim *gumpa_idle;
  10 static struct skeleton_anim *slowmo_momentum, *slowmo_slide, *slowmo_rewind,
  11                             *anim_tutorial_cam;
  12 static float slowmo_opacity = 0.0f;
  13 static f64 volc_start_preview = 0.0;
  14
  15 void npc_load_model( struct npc *npc, const char *path )
  16 {
  17    vg_linear_clear( vg_mem.scratch );
  18
  19    mdl_context *meta = &npc->meta;
  20    mdl_open( meta, path, vg_mem.rtmemory );
  21    mdl_load_metadata_block( meta, vg_mem.rtmemory );
  22    mdl_load_animation_block( meta, vg_mem.rtmemory );
  23
  24    struct skeleton *sk = &npc->skeleton;
  25    skeleton_setup( sk, vg_mem.rtmemory, meta );
  26
  27    u32 mtx_size = sizeof(m4x3f)*sk->bone_count;
  28    npc->final_mtx = vg_linear_alloc( vg_mem.rtmemory, mtx_size );
  29
  30    if( mdl_arrcount( &meta->textures ) )
  31    {
  32       mdl_texture *tex0 = mdl_arritm( &meta->textures, 0 );
  33       void *data = vg_linear_alloc( vg_mem.scratch, tex0->file.pack_size );
  34       mdl_fread_pack_file( meta, &tex0->file, data );
  35
  36       vg_tex2d_load_qoi_async( data, tex0->file.pack_size,
  37                                VG_TEX2D_NEAREST|VG_TEX2D_CLAMP,
  38                                &npc->texture );
  39    }
  40    else
  41    {
  42       npc->texture = vg.tex_missing;
  43    }
  44
  45    mdl_async_load_glmesh( meta, &npc->mesh, NULL );
  46    mdl_close( meta );
  47 }
  48
  49 void npc_init(void)
  50 {
  51    npc_load_model( &npc_gumpa, "models/gumpa.mdl" );
  52    gumpa_idle = skeleton_get_anim( &npc_gumpa.skeleton, "gumpa_idle" );
  53
  54    npc_load_model( &npc_slowmo, "models/slowmos.mdl" );
  55    slowmo_momentum =
  56       skeleton_get_anim( &npc_slowmo.skeleton, "slowmo_momentum" );
  57    slowmo_slide = skeleton_get_anim( &npc_slowmo.skeleton, "slowmo_slide" );
  58    slowmo_rewind = skeleton_get_anim( &npc_slowmo.skeleton, "slowmo_rewind" );
  59
  60    npc_load_model( &npc_volc_flight, "models/volc_flight.mdl" );
  61    anim_tutorial_cam =
  62       skeleton_get_anim( &npc_volc_flight.skeleton, "tutorial" );
  63 }
  64
  65 static struct npc *npc_resolve( u32 id )
  66 {
  67    if( id == 1 ) return &npc_gumpa;
  68    else if( id == 2 ) return &npc_slowmo;
  69    else if( id == 3 ) return &npc_volc_flight;
  70    else return NULL;
  71 }
  72
  73 static void npc_slowmo_call( ent_npc *npc, ent_call *call )
  74 {
  75    if( call->function == 0 )
  76    {
  77       gui_helper_clear();
  78       vg_str text;
  79
  80       if( npc->context == 2 )
  81       {
  82          if( gui_new_helper( input_axis_list[k_sraxis_grab], &text ))
  83             vg_strcat( &text, "Crouch (store energy)" );
  84          if( gui_new_helper( input_joy_list[k_srjoystick_steer], &text ))
  85             vg_strcat( &text, "Slide" );
  86       }
  87       else if( npc->context == 1 )
  88       {
  89          if( gui_new_helper( input_axis_list[k_sraxis_grab], &text ))
  90             vg_strcat( &text, "Crouch (store energy)" );
  91       }
  92       else if( npc->context == 3 )
  93       {
  94          if( gui_new_helper( input_button_list[k_srbind_reset], &text ))
  95             vg_strcat( &text, "Rewind time" );
  96          if( gui_new_helper( input_button_list[k_srbind_replay_resume], &text ))
  97             vg_strcat( &text, "Resume" );
  98       }
  99    }
 100    else if( call->function == -1 )
 101    {
 102       world_entity_clear_focus();
 103       gui_helper_clear();
 104    }
 105 }
 106
 107 void ent_npc_call( world_instance *world, ent_call *call )
 108 {
 109    u32 index = mdl_entity_id_id( call->id );
 110    ent_npc *npc = mdl_arritm( &world->ent_npc, index );
 111
 112    if( npc->id == 2 )
 113    {
 114       npc_slowmo_call( npc, call );
 115    }
 116    else if( npc->id == 3 )
 117    {
 118       if( call->function == 0 )
 119       {
 120          world_entity_set_focus( call->id );
 121          gui_helper_clear();
 122          vg_str text;
 123          if( gui_new_helper( input_button_list[k_srbind_maccept], &text ))
 124             vg_strcat( &text, "Preview course" );
 125       }
 126       else if( call->function == -1 )
 127       {
 128          world_entity_clear_focus();
 129          gui_helper_clear();
 130       }
 131    }
 132    else
 133    {
 134       if( call->function == 0 )
 135       {
 136          world_entity_set_focus( call->id );
 137          gui_helper_clear();
 138          vg_str text;
 139          if( gui_new_helper( input_button_list[k_srbind_maccept], &text ))
 140             vg_strcat( &text, "Talk to ???" );
 141       }
 142       else if( call->function == -1 )
 143       {
 144          world_entity_clear_focus();
 145          gui_helper_clear();
 146       }
 147       else
 148       {
 149          vg_print_backtrace();
 150          vg_error( "Unhandled function id: %i\n", call->function );
 151       }
 152    }
 153 }
 154
 155 void ent_npc_preupdate( ent_npc *ent, int active )
 156 {
 157    world_instance *world = world_current_instance();
 158
 159    if( !active )
 160    {
 161       if( button_down(k_srbind_maccept) )
 162       {
 163          world_entity_focus_modal();
 164          gui_helper_clear();
 165          vg_str text;
 166          if( gui_new_helper( input_button_list[k_srbind_mback], &text ))
 167             vg_strcat( &text, "leave" );
 168
 169          volc_start_preview = vg.time;
 170       }
 171
 172       return;
 173    }
 174
 175    if( ent->id == 3 )
 176    {
 177       player_pose pose;
 178       struct skeleton *sk = &npc_volc_flight.skeleton;
 179
 180       f64 t = (vg.time - volc_start_preview) * 0.5;
 181       skeleton_sample_anim_clamped( sk, anim_tutorial_cam, t, pose.keyframes );
 182
 183       ent_camera *cam = mdl_arritm( &world->ent_camera,
 184                                      mdl_entity_id_id(ent->camera) );
 185       v3_copy( pose.keyframes[0].co, cam->transform.co );
 186
 187       v4f qp;
 188       q_axis_angle( qp, (v3f){1,0,0}, VG_TAUf*0.25f );
 189       q_mul( pose.keyframes[0].q, qp, cam->transform.q );
 190       q_normalize( cam->transform.q );
 191
 192       v3_add( ent->transform.co, cam->transform.co, cam->transform.co );
 193    }
 194
 195    world_entity_focus_camera( world, ent->camera );
 196
 197    if( button_down( k_srbind_mback ) )
 198    {
 199       world_entity_exit_modal();
 200       world_entity_clear_focus();
 201       gui_helper_clear();
 202    }
 203 }
 204
 205 void npc_update( ent_npc *ent )
 206 {
 207    if( ent->id == 3 ) return;
 208
 209    struct npc *npc_def = npc_resolve( ent->id );
 210    VG_ASSERT( npc_def );
 211
 212    player_pose pose;
 213    struct skeleton *sk = &npc_def->skeleton;
 214    pose.type = k_player_pose_type_ik;
 215    pose.board.lean = 0.0f;
 216
 217    if( ent->id == 1 )
 218    {
 219       skeleton_sample_anim( sk, gumpa_idle, vg.time, pose.keyframes );
 220    }
 221    else if( ent->id == 2 )
 222    {
 223       struct skeleton_anim *anim = NULL;
 224       if( ent->context == 1 ) anim = slowmo_momentum;
 225       else if( ent->context == 2 ) anim = slowmo_slide;
 226       else if( ent->context == 3 ) anim = slowmo_rewind;
 227
 228       VG_ASSERT( anim );
 229
 230       f32 t        = vg.time*0.5f,
 231           animtime = fmodf( t*anim->rate, anim->length ),
 232           lt       = animtime / (f32)anim->length;
 233       skeleton_sample_anim( sk, anim, t, pose.keyframes );
 234       slowmo_opacity = vg_clampf(fabsf(lt-0.5f)*9.0f-3.0f,0,1);
 235    }
 236
 237    v3_copy( ent->transform.co, pose.root_co );
 238    v4_copy( ent->transform.q, pose.root_q );
 239    apply_full_skeleton_pose( &npc_def->skeleton, &pose, npc_def->final_mtx );
 240 }
 241
 242 void npc_render( ent_npc *ent, world_instance *world, vg_camera *cam )
 243 {
 244    if( ent->id == 3 ) return;
 245
 246    struct npc *npc_def = npc_resolve( ent->id );
 247    VG_ASSERT( npc_def );
 248
 249    shader_model_character_view_use();
 250
 251         glActiveTexture( GL_TEXTURE0 );
 252         glBindTexture( GL_TEXTURE_2D, npc_def->texture );
 253    shader_model_character_view_uTexMain( 0 );
 254    shader_model_character_view_uCamera( cam->transform[3] );
 255    shader_model_character_view_uPv( cam->mtx.pv );
 256
 257    if( ent->id == 2 )
 258    {
 259       shader_model_character_view_uDepthMode( 2 );
 260       shader_model_character_view_uDitherCutoff( slowmo_opacity );
 261    }
 262    else
 263    {
 264       shader_model_character_view_uDepthMode( 0 );
 265    }
 266
 267    WORLD_BIND_LIGHT_BUFFERS_UB0_TEX234( world, model_character_view );
 268
 269    glUniformMatrix4x3fv( _uniform_model_character_view_uTransforms,
 270                          npc_def->skeleton.bone_count,
 271                          0,
 272                          (const GLfloat *)npc_def->final_mtx );
 273
 274    mesh_bind( &npc_def->mesh );
 275    mesh_draw( &npc_def->mesh );
 276 }